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Senior Traffic Project Engineer

HNTB

Company : HNTB

Location : Santa Ana, CA

Posted Date : 15 September 2025

Job Type : Full Time, Part Time

Category : Project Management

Occupation : Project Engineer

Job Details

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What We're Looking For
Join our growing Southern California Transportation Team! We are growing our offices in Orange County (Santa Ana) and in the Inland Empire (Ontario). We are supporting high profile transportation projects in the Inland Empire and Orange County such as Brightline West (high speed rail), I -10 Freeway corridor in San Bernardino, various LA Metro and Caltrans Highway projects! Why not grow your career in civil engineering while supporting these important projects that support the infrastructure in your communities?

What We're Looking For
Join our growing Southern California Transportation Team! We are growing our offices in Orange County (Santa Ana) and in the Inland Empire (Ontario). We are supporting high profile transportation projects in the Inland Empire and Orange County such as Brightline West (high speed rail), I -10 Freeway corridor in San Bernardino, various LA Metro and Caltrans Highway projects! Why not grow your career in civil engineering while supporting these important projects that support the infrastructure in your communities?
At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For more than a century, we have been delivering solutions for some of the largest, most complex infrastructure projects across the country. With our historic growth, it is an exciting time to join our team of employee-owners.
HNTB is currently seeking to hire a senior traffic project engineer in their Orange County or Ontario office. The target applicant will have eight to fifteen years of experience in traffic engineering and operations modeling, but slightly more or less experience is acceptable. The candidate will support our Southern California traffic staff in a variety of traffic operational analysis and traffic design tasks, including performing in a traffic task lead role. Project work will include modeling, data analysis, design, estimating, specifications, and report writing on freeway corridor, arterial, and transit projects at various stages of development (ranging from the planning phase through construction). Typical deliverable work includes feasibility studies, technical studies in support of environmental documents, and transportation management plans (TMPs). In addition, the candidate will also assist with traffic design work for plans, specification, and estimate (PS&E) packages such as signing/striping, traffic signal, stage construction, detour plans, and traffic handling plans.
Communications skills (verbal and written) and ability to work with remote teams are very important. Someone who is familiar with the Caltrans project development process, standard plans, standard specifications, directives, and policies and has Southern California experience on planning and design projects (as opposed to research) is particularly desirable. The candidate will be tasked to assist in mentoring and development of a growing junior traffic group as well as project workplan preparations and general staff management activities.
This opportunity entails being responsible for the production and modification of design calculations, technical reports, engineering plans and specifications for assigned projects. This position consults with the project manager to perform research, development, calculations, design and delivery. Applies engineering techniques, procedures and design criteria for complex and cross-discipline projects. Leverages technical knowledge and experience to address design related issues or concerns, working closely with the project manager through creative problem solving, interactions with clients and by completing tasks to meet the project schedule. Develops conceptual and detailed designs and calculations to support the project completion using current drawing and technical tools, programs and software. May mentor, train and review work of junior engineer staff and provide constructive feedback. As a member of the team, you will contribute to the successful project delivery for a diverse range of projects for HNTB’s clients.
What You'll Do

  • Uses senior-level technical expertise to consider broad range of engineering solutions.
  • Responsible for the discipline-specific planning, work distribution, and leadership and adherence to the schedule, and budget on complex or unusual engineering projects.
  • Assists in marketing responsibilities, including proposal generation.
  • Develops scope of work and level of effort and manages adherence to scope and budget on complex or unusual engineering projects within discipline.
  • Oversees completeness and accuracy of project team’s work within the technical discipline.
  • Provides technical guidance and mentoring to team members to achieve overall project objectives on complex or unusual engineering projects.
  • Coordinates technical aspects of the project with client counterpart and teaming partners at staff level for work within the discipline on complex or unusual engineering projects.
  • Leads discipline delivery on larger, multi-disciplinary projects. Works closely with other disciplines on multi-discipline projects.
  • Assists with coordination and planning of schedules, hours, and distribution of work for other disciplines on multi-discipline projects on complex or unusual engineering projects
  • Performs other duties as assigned.
What You'll Need
  • Bachelor’s degree in Engineering and 8 years of relevant experience, or
  • Master’s degree in Engineering and 7 years of relevant experience, or
  • PhD in Engineering and 6 years of relevant experience
What You'll Bring
  • Shows excellent technical knowledge and quality work in multiple discipline projects.
  • Prioritizes tasks and displays accountability to the project team to deliver projects that are of high quality, on-time, and within budget and scope.
  • Demonstrates vision beyond the task at hand and anticipates risks and effects of their actions.
  • Understands and supports the objectives that are responsible for successful project delivery, recognizing how multiple disciplines influence project development
  • Applies an accrued knowledge base to innovate project efficiencies.
  • Uses refined technical skills to identify problems, develop appropriate solutions, and make good decisions, knowing what tools to use for effective solutions and optimal outcomes on projects.
What We Prefer
  • 10 years of relevant experience
  • Professional Engineer (PE) or American Institute of Certified Planners (AICP) depending on discipline
Additional Information
Click here for benefits information: HNTB Total Rewards
Click here to learn more about Equal Opportunity Employer/Disability/Veteran
Visa sponsorship is not available for this position.
\#AR #Traffic
Locations:
Ontario, CA, Santa Ana, CA (Irvine)
The approximate pay range for Los Angeles Metro Area and Orange County, CA is $123,846.45 - $193,708.53. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Actual compensation will be dependent on factors, including but not limited to, the individual’s qualifications, experience, knowledge, skills, and abilities as well as physical work location within the state.
The approximate pay range for San Diego, Sacramento and Inland Empire, CA is $118,461.80 - $185,286.42. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Actual compensation will be dependent on factors, including but not limited to, the individual’s qualifications, experience, knowledge, skills, and abilities as well as physical work location within the state.
Notice To Third-party Agencies
HNTB does not accept unsolicited resumes from recruiters or agencies. Any staffing/employment agency, person or entity that submits an unsolicited resume to this site does so with the understanding that the applicant's resume will become the property of HNTB. HNTB will have the right to hire that applicant at its discretion and without any fee owed to the submitting staffing/employment agency, person or entity. Staffing/employment agencies who have fee agreements with HNTB must submit applicants to the designated HNTB recruiter to be eligible for placement fees.
Job Type: Regular
Full/Part Time: Full time
Job Category: Engineering Group
ReqID: R-26808

Seniority level

  • Seniority level

    Not Applicable

Employment type

  • Employment type

    Full-time

Job function

  • Job function

    Engineering and Information Technology
  • Industries

    Architecture and Planning and Civil Engineering

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